Growing community of inventors

Oakland, CA, United States of America

Yumi Nakagawa

Average Co-Inventor Count = 1.39

ph-index = 12

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 440

Yumi NakagawaStacey Ian Zones (12 patents)Yumi NakagawaGregory S Lee (9 patents)Yumi NakagawaSusan T Evans (3 patents)Yumi NakagawaChris Dartt (1 patent)Yumi NakagawaRichard Norman Reynolds (1 patent)Yumi NakagawaYumi Nakagawa (31 patents)Stacey Ian ZonesStacey Ian Zones (203 patents)Gregory S LeeGregory S Lee (17 patents)Susan T EvansSusan T Evans (4 patents)Chris DarttChris Dartt (1 patent)Richard Norman ReynoldsRichard Norman Reynolds (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chevron U.s.a. Inc. (19 from 2,442 patents)

2. Chevron Research & Technology Company (10 from 251 patents)

3. Chevron Chemical Company LLC (1 from 223 patents)

4. Chevron Research and Technology Company, a Division of Chevron U.s.a. (1 from 13 patents)


31 patents:

1. 6540903 - Hydrocarbon conversion with zeolite SSZ-47

2. 6444191 - Zeolite ZSM-11 and a process for preparing zeolite ZSM-11 using a 3,5-dimethylpiperidinium templating agent

3. 6348183 - Zeolite SSZ-47

4. 6290922 - Zoelite SSZ-47

5. 6218591 - Zeolite SSZ-36

6. 6156290 - Zeolite SSZ-47

7. 6086848 - Process for preparing zeolites using substituted-piperidinium cations

8. 5968474 - Pure phase titanium-containing zeolite having MEL structure, process for

9. 5965104 - Zeolite SSZ-43

10. 5958370 - Zeolite SSZ-39

11. 5939044 - Zeolite SSZ-36

12. 5911968 - Method for making zeolite SSZ-44

13. 5785947 - Preparation of zeolites using organic template and amine

14. 5707600 - Process for preparing medium pore size zeolites using neutral amines

15. 5707601 - Process for preparing zeolites having MTT crystal structure using small,

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12/9/2025
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